Building material panel and core material panel holding member

Abstract

The present invention provides a building material panel and panel holding member that can suppress defects such as delamination and displacement between core material panels that constitute multiple layers of core material. [Solution] In a building material panel 10 comprising a pair of facing materials 21, 22 arranged opposite to each other, and a core material 30 sandwiched between the pair of facing materials 21, 22, the core material 30 includes a plurality of core material panels 31, 32 that overlap in the panel thickness direction, and a core material panel holding member 60 that engages with each of the pair of core material panels 31, 32 is arranged between a pair of adjacent core material panels 31, 32 in the panel thickness direction.

Description

Technical Field

[0001] The present invention relates to a building material panel and a core material panel holding member.

Background Art

[0002] Roofs, outer walls, etc. of factories, warehouses, etc. may be easily constructed by joining a plurality of building material panels. For example, a metal sandwich panel in which a plurality of heat-insulating core materials are sandwiched between a pair of facing materials made of metal plates has excellent airtightness and heat-insulating function, and good workability (see Patent Document 1, etc.).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The plurality of core materials disclosed in Patent Document 1 described above are formed by adhering panel-shaped core material materials. According to such a core material, for example, in a usage environment where it is used as a wall material of a refrigerator and the indoor side becomes extremely low temperature and the outdoor side becomes normal temperature, the panel may be deformed so as to warp due to a large temperature difference. When such deformation occurs, there is a possibility of peeling or displacement in the plurality of core material panels that are adhered, so there is room for improvement.

[0005] Therefore, an object of the present invention is to provide a building material panel and a panel holding member that can suppress problems such as peeling and displacement occurring between core material panels constituting a plurality of core materials.

Means for Solving the Problems

[0006] (1) The building material panel of the present invention comprises a pair of facing materials and a core material sandwiched between the pair of facing materials, wherein the core material includes a plurality of core material panels that overlap in the panel thickness direction, and a core material panel holding member that engages with each of the pair of core material panels is disposed between a pair of adjacent core material panels in the panel thickness direction.

[0007] (2) In the building material panel of the present invention, the core material panel holding member is characterized by including a base portion which is sandwiched between a pair of adjacent core material panels in the panel thickness direction, and an engaging claw portion which protrudes from the base portion in the direction of each of the pair of core material panels and engages with the core material panels.

[0008] (3) In the building material panel of the present invention, the engaging claw portion has a first engaging claw portion that engages with one of a pair of adjacent core material panels in the panel thickness direction, and a second engaging claw portion that engages with the other core material panel, wherein the first engaging claw portion has a first claw that is inclined with respect to the panel thickness direction, and the second engaging claw portion has a second claw that is oriented in a direction different from the first claw.

[0009] (4) In the building material panel of the present invention, a pair of core material panels adjacent to each other in the panel thickness direction are joined together with an adhesive.

[0010] (5) The core material panel holding member of the present invention is a core material panel holding member that is disposed between a pair of core material panels that constitute the core material of a building material panel and are stacked in the panel thickness direction, and is characterized by including a base portion disposed between the core material panels and an engaging claw portion that protrudes from the base portion in the direction of each of the pair of core material panels and engages with the core material panels.

[0011] (6) In the core material panel holding member of the present invention, the engaging claw portion has a first engaging claw portion that engages with one of a pair of adjacent core material panels in the panel thickness direction, and a second engaging claw portion that engages with the other core material panel, wherein the first engaging claw portion has a first claw that is inclined with respect to the panel thickness direction, and the second engaging claw portion has a second claw that is oriented in a direction different from the first claw. [Effects of the Invention]

[0012] According to the present invention, it is possible to provide a building material panel and a panel holding member that can suppress defects such as peeling and displacement between core material panels constituting multiple layers of core material. [Brief explanation of the drawing]

[0013] [Figure 1] This is a schematic perspective view showing a portion of an exterior wall constructed by joining building material panels according to an embodiment of the present invention. [Figure 2] This is a cross-sectional view of the building material panel of the embodiment. [Figure 3] This is an enlarged view of the area shown in III in Figure 2. [Figure 4] This is a perspective view showing the panel holding member of the embodiment. [Figure 5] Figure 4 is a VV cross-sectional view. [Figure 6] This is a plan view of a building material panel according to an embodiment, showing the arrangement of panel holding members. [Modes for carrying out the invention]

[0014] Embodiments of the present invention will be described below with reference to the drawings. Figure 1 shows a portion of the exterior wall 1 constructed by joining multiple building material panels (hereinafter abbreviated as panels) 10 of the embodiment in the lateral direction. The panels 10 have a rectangular shape with a longitudinal direction, and are incorporated as the exterior wall 1 with the longitudinal direction aligned with the vertical direction. Figure 2 shows a cross-section of the panel 10 aligned with the vertical direction (longitudinal direction).

[0015] As shown in Fig. 2, the panel 10 includes a pair of metallic facing materials 21 and 22 arranged opposite to each other, and a core material 30 disposed between the pair of facing materials 21 and 22. That is, the panel 10 is a metal sandwich panel in which the core material 30 is sandwiched between two facing materials 21 and 22.

[0016] The metallic facing materials 21 and 22 are, for example, thin elastic plates such as color steel plates, fluorine steel plates, vinyl chloride steel plates, hot-dip 55% aluminum-zinc alloy plated steel plates (Galvalume steel plates (registered trademark)), stainless steel plates such as SUS, etc., but are not limited thereto. The thickness of the facing materials 21 and 22 is, for example, about 0.25 to 1.2 mm, but is not limited to this range.

[0017] The core material 30 is formed in a panel shape having predetermined length, width, and thickness dimensions. The core material 30 is composed of a plurality of core material panels laminated. The core material 30 of the embodiment has a two-layer structure, that is, the core material 30 is constituted by overlapping two core material panels 31 and 32.

[0018] As the material of the core material panels 31 and 32, those corresponding to the use of the panel 10 (for example, fire resistance, heat resistance, heat insulation, sound insulation, etc.) are used. Examples of such materials include inorganic fiber bodies such as rock wool and glass wool, resin foams such as urethane foam, phenol foam, and isocyanate nurate foam, etc., but are not limited thereto. For example, in the case of rock wool, it is impregnated with a binder resin such as phenol resin at an appropriate ratio and used after being compressed to a high density of about 120 to 220 kg / m 3 degree.

[0019] Each of the facing materials 21 and 22 is adhered to both sides of the core material 30 with an adhesive to form the panel 10. The adhesive is selected according to the materials of the facing materials 21 and 22 and the core material 30, etc. For example, resin adhesives such as urethane-based adhesives and epoxy-based adhesives are used.

[0020] The overall dimensions of the panel 10 are arbitrary and are adapted to the outer wall 1 to be constructed. For example, the dimension in the longitudinal direction (vertical direction on the outer wall 1) is about 900 to 13000 mm, the dimension in the width direction is about 400 to 1200 mm, and the thickness is about 25 to 300 mm, but it is not limited thereto.

[0021] The core material panels 31 and 32 are bonded to each other by a resin-based adhesive such as a urethane-based adhesive or an epoxy-based adhesive to form the core material 30. In the embodiment, a core material panel holding member (hereinafter abbreviated as a holding member) 60 is further disposed between the core material panels 31 and 32. The holding member 60 maintains the joined state of the core material panel 31 and the core material panel 32. FIGS. 3 to 5 show the holding member 60.

[0022] The holding member 60 is configured by combining a pair of metal fittings 60A and 60B having the same configuration. Each of the metal fittings 60A and 60B has a rectangular flat base plate portion 61 and a pair of left and right engaging claw portions 62 provided so as to bend substantially at right angles from both ends in the width direction of the base plate portion 61. The metal fittings 60A and 60B are obtained, for example, by bending a single metal plate.

[0023] The engaging claw portion 62 has a plurality of claws 63. The claws 63 are formed in a triangular shape and are arranged in the longitudinal direction of the base plate portion 61. Each of the plurality of claws 63 has an orthogonal edge portion 64 extending in a direction orthogonal to the base plate portion 61 and an inclined edge portion 65 extending obliquely with respect to the base plate portion 61.

[0024] The orthogonal edge portions 64 and the inclined edge portions 65 in the pair of left and right engaging claw portions 62 are arranged at the same positions on the left and right. Therefore, the pair of left and right engaging claw portions 62 are formed symmetrically left and right. As a result, the direction of the claws 63 is such that it faces one side in the longitudinal direction of the base plate portion 61. The engaging claw portion 62 of the embodiment has four claws 63, but the number thereof is not limited and may be, for example, 1 or more and 10 or less, or may have a number exceeding 10.

[0025] The retaining member 60 is formed by joining the back surfaces of the base plate portions 61 of two metal fittings 60A and 60B, where the engaging claw portions 62 do not protrude. One metal fitting 60A and the other metal fitting 60B are joined so that the orientation of the claws 63 is opposite to that of the other metal fitting 60B. The two joined base plate portions 61 constitute the base portion 61C of the retaining member 60.

[0026] As a result, the engaging claw portion 62 of one fitting 60A constitutes a first engaging claw portion 62A that protrudes from and engages with one of the two core material panels 31 and 32, and the engaging claw portion 62 of the other fitting 60B constitutes a second engaging claw portion 62B that protrudes from and engages with the other of the core material panels 31 and 32. The claw 63 of the first engaging claw portion 62A constitutes a first claw 63A that faces one side in the longitudinal direction of the base plate portion 61, and the claw 63 of the second engaging claw portion 62B constitutes a second claw 63B that faces in the opposite direction to the first claw 63A.

[0027] As shown in Figure 3, the retaining member 60 is embedded within the core material 30, sandwiched between the core material panels 31 and 32. The retaining member 60 is placed between the core material panels 31 and 32 during the process of bonding the core material panels 31 and 32 with adhesive, and after being placed, the core material panels 31 and 32 are stacked and joined together with adhesive.

[0028] Figure 6 shows an example of the placement of the retaining members 60 on the panel 10. In this case, a total of six retaining members 60 are placed near the edges on both sides of the panel 10 in the width direction, with three on each side spaced apart in the longitudinal direction. Each retaining member 60 is positioned with the longitudinal direction of the base plate portion 61 approximately parallel to the longitudinal direction of the panel 10. Note that the placement, number, and orientation of the retaining members 60 on the panel 10 are not limited to this and can be set arbitrarily as needed.

[0029] Figure 3 shows a state in which the first engaging claw portion 62A is positioned on the core material panel 31 side and the second engaging claw portion 62B is positioned on the core material panel 32 side. By overlapping and bonding the core material panels 31 and 32 as described above, each first claw 63A of the first engaging claw portion 62A becomes inserted into the interior of the core material panel 31 and engages, and each second claw 63B of the second engaging claw portion 62B becomes inserted into the interior of the core material panel 32 and engages. As a result, the bonded state of the core material panels 31 and 32, which are joined together, is firmly held by the holding member 60.

[0030] This is because the claws 63A and 63B of the retaining member 60 engage with the core material panels 31 and 32 by piercing them, causing the core material panels 31 and 32 to catch on the claws 63A and 63B, making it difficult for the core material panels 31 and 32 to move away from each other. As a result, delamination is suppressed and the bonded state is maintained. Furthermore, relative displacement of the core material panels 31 and 32 in the planar direction is also unlikely to occur because the claws 63 are pierced with and engaged by the core material panels 31 and 32. Since the orientations of the first claws 63A of the first engaging claw portion 62A and the second claws 63B of the second engaging claw portion 62B are oriented in opposite directions, delamination and displacement of the core material panels 31 and 32 are further suppressed.

[0031] As described above, the panel 10 and holding member 60 of the embodiment can suppress the occurrence of defects such as peeling and displacement between the core material panels 31 and 32 that constitute the multiple layers of core material 30. As a result, even in situations where the panel deforms by warping due to a large temperature difference, such as in an operating environment where the indoor side is extremely cold and the outdoor side is at room temperature, peeling and displacement between the core material panels 31 and 32 can be suppressed. Therefore, the panel 10 of the embodiment is suitable for use as a panel in such environments.

[0032] In the panel 10 of the above embodiment, the core material 30 has a two-layer structure in which two core material panels 31 and 32 are stacked. However, the core material in the present invention is not limited to this and may have a three-layer structure or more. A holding member 60 is installed between a pair of core material panels that are stacked on top of each other.

[0033] The configuration of the core material panel holding member of the present invention is not limited to the above embodiment. For example, the number of engaging claws and the configuration of the multiple claws constituting the engaging claws can be arbitrarily set within the scope of the present invention. For example, the holding member 60 in the embodiment is made of metal with two metal fittings, but the material may be other materials such as resin. [Explanation of Symbols]

[0034] 10... Building material panel, 21, 22... Surface material, 30... Core material, 31, 32 Core material panel, 60... Core material panel holding member, 60A, 60B... Metal fittings, 61... Base plate part, 61C... Base part, 2... Engaging claw part, 62A... First engaging claw part, 62B... Second engaging claw part, 63... Claw, 63A... First claw, 63B... Second claw.

Claims

1. A building material panel comprising a pair of facing materials and a core material sandwiched between the pair of facing materials, The aforementioned core material includes a plurality of core material panels that overlap in the panel thickness direction, A building material panel characterized in that a core material panel holding member is arranged between a pair of adjacent core material panels in the panel thickness direction, the core material panel holding member engaging with each of the pair of core material panels.

2. The core material panel holding member comprises a base portion that is sandwiched between a pair of adjacent core material panels in the panel thickness direction, The building material panel according to claim 1, characterized in that it includes an engaging claw portion that protrudes from the base portion in the direction of each of the pair of core material panels and engages with the core material panels.

3. The engaging claw portion has a first engaging claw portion that engages with one of the pair of core material panels adjacent in the panel thickness direction, and a second engaging claw portion that engages with the other core material panel. The first engaging claw portion has a first claw that is inclined with respect to the panel thickness direction, The building material panel according to claim 2, characterized in that the second engaging claw portion has a second claw that is oriented in a different direction from the first claw.

4. The building material panel according to claim 1 or 2, characterized in that a pair of adjacent core material panels in the panel thickness direction are joined together with an adhesive.

5. A core material panel holding member is positioned between a pair of core material panels that constitute the core material of a building material panel and are stacked in the panel thickness direction, A base portion is placed between the core material panels, A core material panel holding member characterized by including an engaging claw portion that protrudes from the base portion in the direction of each of the pair of core material panels and engages with the core material panels.

6. The engaging claw portion has a first engaging claw portion that engages with one of the pair of core material panels adjacent in the panel thickness direction, and a second engaging claw portion that engages with the other core material panel. The first engaging claw portion has a first claw that is inclined with respect to the panel thickness direction, The core material panel holding member according to claim 5, characterized in that the second engaging claw portion has a second claw oriented in a direction different from that of the first claw.

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